Re: [asterisk-users] Connect intercom to Asterisk?

[Gilles]

On Tue, 7 Jun 2011 13:06:23 +0100 (BST), Gordon Henderson
 wrote:
>Why bother when you can buy off the shelf stuff to do it for you.

The trick is that this connector must work with existing interphones,
such as this one at home:

http://img220.imageshack.us/img220/8334/intercomhome.jpg

So after I add a second pair of wires to the existing intercom, I
guess the options are
- either an ATA which will connect to the two-wire analog signal and
turn it into an SIP end-point, or
- simply running a phone cable from the intercom all the way to the
Asterisk box where it will be connected to some hardware


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Re: [asterisk-users] Connect intercom to Asterisk?

[Gordon Henderson]

On Tue, 7 Jun 2011, Gilles wrote:


Hello

I just read this article about a kid in England who built a box with a
3G SIM card:

www.dailymail.co.uk/sciencetech/article-1394448/Doorbell-tricks-burglars-thinking-youre-home-invented-schoolboy-Laurence-Rook-13.html

When someone rings your intercom, the box will call your cellphone so
you can answer just like you were home.

I don't know anything about electronics and would like to have
something similar by connecting the intercom end in my appartment to a
PC running Asterisk that will dial a phone number through SIP.

Does someone know if something like that is available ready to use
(Arduino, etc.)?


Why bother when you can buy off the shelf stuff to do it for you.

e.g. (UK source)

  http://www.provu.co.uk/door_entry.html

It's not exactly rocket science if you already have an asterisk (or other
SIP) system that can handle the calls for you.

However if he can sell his box for 40 quid, then I'm all for it... Until 
someone crowbars the whole unit off the wall and steals the SIM card from 
it and runs up a huge mobile bill... doesn't look like he's thought of 
that.


Gordon

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Re: [asterisk-users] Connect intercom to Asterisk?

[Paul Hayes]

On 07/06/11 09:47, Gilles wrote:

Hello

I just read this article about a kid in England who built a box with a
3G SIM card:

www.dailymail.co.uk/sciencetech/article-1394448/Doorbell-tricks-burglars-thinking-youre-home-invented-schoolboy-Laurence-Rook-13.html

When someone rings your intercom, the box will call your cellphone so
you can answer just like you were home.



The company I work for sell SIP door entry phones but I'll not post 
anything here since this is not a commercial list!


We also used to have a DECT door entry system that would do the same 
thing as that kid has "invented" a few years ago.  It got a small bit on 
a TV program here in the UK called The Gadget Show.  I spent the day 
with the film crew guys setting up the kit but unfortunately didn't get 
to meet the rather nice woman who presents the show - they filmed that 
part another day and edited it all together.


Anyway, I don't really see that this is particularly unique, I also know 
of companies who already make GSM/3G door entry devices too although 
they are generally aimed at the business market rather than for home use 
(pricing & design reflects this).


cheers,
Paul.

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Re: [asterisk-users] Connect intercom to Asterisk?

[Dan Journo]

> Hello

>

> I just read this article about a kid in England who built a box with a

> 3G SIM card:

>

> www.dailymail.co.uk/sciencetech/article-1394448/Doorbell-tricks-burglars-thinking-youre-home-invented-schoolboy-Laurence-Rook-13.html

>

> When someone rings your intercom, the box will call your cellphone so

> you can answer just like you were home.

>

> I don't know anything about electronics and would like to have

> something similar by connecting the intercom end in my appartment to a

> PC running Asterisk that will dial a phone number through SIP.

>

> Does someone know if something like that is available ready to use

> (Arduino, etc.)?

>

> Thank you.


>From what I've heard, most people get a standard intercom that connects to a 
>phone system, and plug it into a SIP Adapter like the PAP2T.
Never done it myself, so I can't recommend a suitable intercom. Hopefully 
someone else can.

Dan Journo
Kesher Communications (UK)
Business Phone Systems | Hosted 
PBX



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[asterisk-users] Connect intercom to Asterisk?

[Gilles]

Hello

I just read this article about a kid in England who built a box with a
3G SIM card:

www.dailymail.co.uk/sciencetech/article-1394448/Doorbell-tricks-burglars-thinking-youre-home-invented-schoolboy-Laurence-Rook-13.html

When someone rings your intercom, the box will call your cellphone so
you can answer just like you were home.

I don't know anything about electronics and would like to have
something similar by connecting the intercom end in my appartment to a
PC running Asterisk that will dial a phone number through SIP.

Does someone know if something like that is available ready to use
(Arduino, etc.)?

Thank you.


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